Marantz CD63 & CD67 mods list - Page 849 - diyAudio
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Old 29th November 2007, 06:41 PM   #8481
RCruz is offline RCruz  Switzerland
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Quote:
Originally posted by SimontY


Awesome, has it done much for your sound?

You needn't connect safety earth, it's optional. You must connect the ground of any upgraded RCA sockets to the CD player's ground of course, but that's stating the obvious!
Hi Simon

One of my DIY projects was a CD player based on a philips CDM12 and I used a wodden box because I did not have anything else.

The sound is really good but I did not think the wodden box had anything to do with it.

Note:
This project also relies on Rubys MCZ on all the +5v and a 1Farad combination after the +5v reg.

Regards
Ricardo
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Old 29th November 2007, 10:37 PM   #8482
RCruz is offline RCruz  Switzerland
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Default Silver Micas

Special results....

Silver Micas are the best in the digital HF amp and Decoder.

After replacing 3 ceramics by SilverMicas, the sound became much more detailed and with attack.

Ricardo
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Old 29th November 2007, 10:57 PM   #8483
SimontY is offline SimontY  United Kingdom
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Default Re: Silver Micas

Quote:
Originally posted by RCruz
Special results....

Silver Micas are the best in the digital HF amp and Decoder.

After replacing 3 ceramics by SilverMicas, the sound became much more detailed and with attack.

Ricardo
Someone's player is filled with silver micas.... yes, it's good! I'd like some in mine at some point.

Simon
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Old 30th November 2007, 08:28 AM   #8484
Thomo is offline Thomo  United Kingdom
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Default Re: Re: Silver Micas

Quote:
Originally posted by SimontY


Someone's player is filled with silver micas.... yes, it's good! I'd like some in mine at some point.

Simon

Get 'em in there Simon. I used to use polystyrene 1% and they sounded good. But 1% Silver Mica sound much better. They have a much smoother presentation, more natural, whereas poly's can be a bit bright.

Lee.
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Old 30th November 2007, 09:10 AM   #8485
Chivvyp is offline Chivvyp  United Kingdom
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Quote:
Originally posted by SimontY

ps - I've just moved back into my parents' house so I no longer have a great listening room (or housemates that can put up with >25Db), so expect some CD63 headphone discussion from me in the near future

Hi Simon,

I wouldn't even bother. Build yourself a headphone amp. Good fun and the results will be an awful lot better than anything you'll get out of the CD63.

Regards

Pete
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Old 30th November 2007, 10:21 AM   #8486
Thomo is offline Thomo  United Kingdom
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I replaced the 78/7912's in my discrete stage for Raygulator's with zener's. It sounded better until one reg started to smoke.

Does the discrete pull too much current for the Raygulator? Or is it a faulty part?

lee.
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Old 30th November 2007, 11:49 AM   #8487
SimontY is offline SimontY  United Kingdom
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Quote:
Originally posted by Chivvyp

Hi Simon,

I wouldn't even bother. Build yourself a headphone amp. Good fun and the results will be an awful lot better than anything you'll get out of the CD63.

Regards

Pete
Hi Pete,

Yeh, that's what I meant lol. I meant the CD63 feeding a nice headamp/pre.

Simon

ps - I'm ashamed to admit it but my Soundblaster X-Fi actually sounds quite good with my Sennheiser HD600s! Just as long as you don't turn on the w*nky "Crystaliser" or tell it you're using "headphones"!!!
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Old 30th November 2007, 01:39 PM   #8488
Chivvyp is offline Chivvyp  United Kingdom
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Quote:
Originally posted by SimontY


Hi Pete,

Yeh, that's what I meant lol. I meant the CD63 feeding a nice headamp/pre.

Simon

I can recommend the PPA. http://www.tangentsoft.net/audio/ppa/amp2/

Pete
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Old 30th November 2007, 08:29 PM   #8489
RCruz is offline RCruz  Switzerland
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Default Re: Re: Re: Silver Micas

Quote:
Originally posted by Thomo
Get 'em in there Simon. I used to use polystyrene 1% and they sounded good. But 1% Silver Mica sound much better. They have a much smoother presentation, more natural, whereas poly's can be a bit bright.
I totally agree..... I am even considering replacing C505 with a silvermica... I will report on the differences (I believe there will be a good improvement)...

Ricardo
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Old 30th November 2007, 08:45 PM   #8490
RCruz is offline RCruz  Switzerland
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Default Re: Re: Marantz CD63 & CD67 mods list

Quote:
Originally posted by RCruz
I am considering the rest of the mods in the output (C659 C660
R655 656 R657 / 658 R659 / 660) but would like to have your input in the two R619 R620..
As the CD53 does not have a HDAM, the entire circuit is replaced by a 10R in each channel.

Should I shunt these or should I wire the pin 7 of each opamp to R659 660 ?

If I am right, you remove everything in the output, leaving only the voltage drop circuit R659 / R661 and 660/662.

Removing R619 R620 will affect the values you indicate for voltage drop ?
Can anyone comment on this ?

I would like to try this modd but not sure of the possible outcome.

Ricardo
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